OpenTechnical

OT-2026-000055997

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000055997) never changes.

Identity and time

Publication numberOT-2026-000055997 · never reused
Internal UUID01a0ae87-0a4a-7bb2-ba10-46b045b6b41f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055997
StatusPUBLIC

Content hashes

Canonical textf033b75b1ff834a94d6c1461722e919e713c0bbfde4370aa37411f6ca975eaa4
Markdowna41d7aad815d95970cad05558d355b0ebd8c8618c241f01c41fee5c255fce0ee
PDF
Publication page5352a2b15e20859958e1d7df0526ee97a421d2ca8f19bc7a010db32564265de5
Manifest9b0c45270c9d4fac2e21189c21da7d1517a8767471a15d5c151c305e08ceb0d9

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature8UTHyJiodznhxPIOdcTZF37XFpzIor0CPWb2noU/GqKzcImh3gtkAA5GK+EG3IRhAkTQfc4XznHrCqzhjAQIAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:31.278000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055997
observed 5352a2b15e20859958e1d7df0526ee97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:31.259882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055997/manifest.json
observed 9b0c45270c9d4fac2e21189c21da7d15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:31.242669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055997/publication.md
observed a41d7aad815d95970cad05558d355b0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:31.225334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055997/publication.txt
observed f033b75b1ff834a94d6c1461722e919e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.